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Clinical Evaluation of Vertical Inter-implant Papilla Height in Platform Matched Implants in Comparison to Morse Connection Abutments

NCT03787355 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2026-01-16

No results posted yet for this study

Summary

The complete fill of the inter-implant mucosa is much more challenging between two implants, than single implants, and is considered to be unpredictable (Tymstra et al., 2011). However, previous clinical studies have pointed to a relationship between the inter-implant mucosa fill and the horizontal distance between two adjacent implants. In particular, a greater inter-implant bone loss and the absence of the inter-implant mucosa were noted when neighboring implants were not separated by more than 3 mm (Tarnow, Magner and Fletcher, 1992).

The implant-abutment connection may have an impact on the amount such inter-implant bone loss, with morse-taper (MT) abutments emerging from the central region of the implant allow additional thickness in the horizontal soft-tissue component. This might help reducing marginal bone remodeling during biological width formation. Moreover, the literature indicates that the peri-implant bone strain vary significantly with the type of implant-abutment connection. The conical interface of MT connections helps dissipating the forces to the fixture.

The aim of the study is to clinically investigate the fate of soft tissue and papilla following crown placement on neighboring morse cone implants versus non-platform switched implants denoting the fate of soft tissue and papilla.

Conditions

  • Interimplant Mucosa

Interventions

COMBINATION_PRODUCT

Morse connection Implants

2 neighboring morse connection Implants of Zinedent - Strauman

Sponsors & Collaborators

  • Cairo University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2019-02-17
Primary Completion
2026-01-15
Completion
2026-01-15

Countries

  • Egypt

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03787355 on ClinicalTrials.gov